<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<style type="text/css">
	body{
		margin: 10px;
		font-family: arial;
		font-size: 13px;
		}
	#a{
		background-color: #ff0000;
		border: 1px dashed #000000;
		padding: 10px;
		position: absolute;
		left: 20px;
		top: 30px;
		z-index: 1;
	}
	#b{
		background-color: #ffc24c;
		border: 1px dashed #000000;
		padding: 10px;
		position: absolute;
		left: 40px;
		top: 50px;
		z-index: 0;
		}
	#c{
		background-color: #c7ff9d;
		border: 1px dashed #000000;
		padding: 10px;
		position: absolute;
		left: 60px;
		top: 70px;
		z-index: -1;
		}
	}
</style>
</head>
<body>
	<a href="/jsp/test/index.jsp">首页</a>
	<div id="a">AAAAAAAAAAA</div>
	<div id="b">BBBBBBBBBBB</div>
	<div id="c">CCCCCCCCCCC</div>
</body>
</html>